Home / 2,720.55-3,754.29-1,541.62

Finding the Fourth Proportional to 2,720.55, 3,754.29 and 1,541.62

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Solution

The fourth proportional to 2,720.55, 3,754.29 and 1,541.62 is: 2,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.55 : 3,754.29 = 1,541.62 : x
  2. Step 2: Convert to fraction form
    2,720.55/3,754.29 = 1,541.62/x
  3. Step 3: Cross multiply
    2,720.55x = 3,754.29 × 1,541.62
  4. Step 4: Simplify right side
    2,720.55x = 5,787,688.55
  5. Step 5: Solve for x
    x = 5,787,688.55/2,720.55
  6. Step 6: Final answer
    x = 2,127.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.